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Finding the Fourth Proportional to 10,916.41, 16,373.02 and 5,368.26

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Solution

The fourth proportional to 10,916.41, 16,373.02 and 5,368.26 is: 8,051.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,916.41 : 16,373.02 = 5,368.26 : x
  2. Step 2: Convert to fraction form
    10,916.41/16,373.02 = 5,368.26/x
  3. Step 3: Cross multiply
    10,916.41x = 16,373.02 × 5,368.26
  4. Step 4: Simplify right side
    10,916.41x = 87,894,628.35
  5. Step 5: Solve for x
    x = 87,894,628.35/10,916.41
  6. Step 6: Final answer
    x = 8,051.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.